Home / 104,447.28-144,140.32-56,703.68

Finding the Fourth Proportional to 104,447.28, 144,140.32 and 56,703.68

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Solution

The fourth proportional to 104,447.28, 144,140.32 and 56,703.68 is: 78,252.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,447.28 : 144,140.32 = 56,703.68 : x
  2. Step 2: Convert to fraction form
    104,447.28/144,140.32 = 56,703.68/x
  3. Step 3: Cross multiply
    104,447.28x = 144,140.32 × 56,703.68
  4. Step 4: Simplify right side
    104,447.28x = 8,173,286,580.38
  5. Step 5: Solve for x
    x = 8,173,286,580.38/104,447.28
  6. Step 6: Final answer
    x = 78,252.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.